Non-woven through air dryer and transfer fabrics for tissue...

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 1/10 (2006.01) D21F 7/08 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2508806

One embodiment of the present invention is an endless non-woven tissue making fabric having a three-dimensional texture suitable for use as a fabric for producing three-dimensional fibrous webs. The endless non-woven tissue making fabric comprises a plurality of substantially parallel adjoining sections of non-woven material. Each section of non-woven material has a width substantially less than the width of the non-woven tissue making fabric. Each section of non-woven material may be joined to at least one other adjoining section of non-woven material. The non-woven tissue making fabric has a machine direction, a cross-machine direction, a tissue contacting surface and a tissue machine contacting surface. The tissue contacting surface comprises solid matter at a plurality of heights such that the tissue contacting surface of the non-woven tissue making fabric has an Overall Surface Depth of at least 0.2 mm in regions of solid matter on the tissue contacting surface.

L'invention concerne, dans un mode de réalisation, un textile de confection de nontissés sans fin, qui présente une texture tridimensionnelle pouvant être utilisée de façon appropriée pour la production de voiles fibreux tridimensionnels. Le textile de confection de nontissés sans fin comprend une pluralité de sections attenantes sensiblement parallèles d'un tissu non tissé. Chaque section de tissu non tissé présente une largeur sensiblement inférieure à la largeur du textile de confection de nontissés. Chaque section de tissu non tissé peut être assemblée à au moins une autre section de tissu non tissé. Le textile de confection de nontissés présente un sens machine, un sens travers, une surface de contact avec le tissu et une surface de contact avec la machine. La surface de contact avec le tissu comprend une matière solide, sur plusieurs hauteurs, si bien que la surface de contact avec le tissu du textile de confection de nontissés présente une profondeur de surface totale d'au moins 0,2 mm dans les zones de la surface de contact avec le tissu comprenant une matière solide.

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